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Finding the Fourth Proportional to 10,671.77, 14,727.05 and 5,955.95

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Solution

The fourth proportional to 10,671.77, 14,727.05 and 5,955.95 is: 8,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.77 : 14,727.05 = 5,955.95 : x
  2. Step 2: Convert to fraction form
    10,671.77/14,727.05 = 5,955.95/x
  3. Step 3: Cross multiply
    10,671.77x = 14,727.05 × 5,955.95
  4. Step 4: Simplify right side
    10,671.77x = 87,713,573.45
  5. Step 5: Solve for x
    x = 87,713,573.45/10,671.77
  6. Step 6: Final answer
    x = 8,219.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.